如果你不喜欢某条铁路，你不能离开去用另一条。

If you don't like a particular railway, you can't go and use another.

youdao

没有他的许可，你不能离开医院。

Without his say-so, you can not leave the hospital.

youdao

既然情况如此，你不能离开。

Such being the case, you cannot go away.

youdao

4 So it's not just, you can swing by 11:04 and grab a copy and go off and catch some more sleep.

对么？所以你不能打酱油到11：,抓一份笔记拷贝然后离开睡个回笼觉。

麻省理工公开课 - 计算机科学及编程导论课程节选